CaratHunter
Plans
Round|Lab Grown|IGI

0.54ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG492123218

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123218

Diamond specifications and retailer prices

From $621 NZD
$350 USD
As of October 31, 2026
9 retailers carry this diamond
Most expensive: $2,578 NZD at MOH London · As of October 11, 2026
View at MOH London

About this 0.54ct lab-grown round diamond

This 0.54ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492123218 or 492123218. Listed at 9 retailers as of October 31, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.54
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123218
Dimensions5.24 × 5.26 × 3.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.24 mm5.26 mm0.54 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG492123218
Side View
Table 56.5%Crown 34.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,578 NZD|Low: $410 NZD|High: $2,578 NZD|Avg: $1,088 NZD|+1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 11, 2026
Retailer 2$513 NZD
Retailer 11$575 NZD
Retailer 13$594 NZD
Retailer 7$621 NZD
Retailer 8$635 NZD
Retailer 10$635 NZD
Retailer 3$914 NZD
Retailer 9$1,043 NZD
Retailer 6$1,168 NZD
Retailer 4$1,274 NZD
Retailer 5$1,783 NZD
Retailer 12$2,044 NZD
MOH London$2,578 NZD

14 data points across 13 retailers

9 retailers

Retailer 1
-
$513 NZD
$289 USD
Price last confirmed 22 days ago
Retailer 2
-
$594 NZD
$335 USD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$621 NZD
$350 USD
View
Retailer 4
-
$635 NZD
$358 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$635 NZD
$358 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$1,043 NZD
$588 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$1,783 NZD
$1,005 USD
View
Price last confirmed 20 days ago
Retailer 8
-
$2,044 NZD
$1,152 USD
View
Price last confirmed 32 days ago
Most Expensive
MOH London
LG492123218 · Oct 11
$2,578 NZD
£1,144 GBP
View
Price last confirmed 22 days ago
8 more retailers have this diamond
Prices start from $621 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.54ct Round
$621 NZD